# Zehnder Connect vs tekmarNet

The clearest difference is monetization model: Zehnder Connect at free against tekmarNet's ad-supported. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zehnder Connect ships an update every 4 months, tekmarNet every 3 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Zehnder Connect | tekmarNet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (15 ratings)](https://appshunter.io/ios/app/tekmarnet/id1455265964/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 38 MB | 119 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zehnder Group AG](https://appshunter.io/developer/1104291807) | [Watts Water Technologies](https://appshunter.io/developer/844447908) |

## What reviewers say

### Zehnder Connect

[App page](https://appshunter.io/ios/app/zehnder-connect/id1198950940)

Control and manage your Zehnder radiators remotely from your smartphone or tablet. Optimize your home's thermal comfort and energy consumption with customizable schedules and settings.

**Highlights:** Remote radiator management, Customizable daily/weekly schedules, Personalize factory settings, Define custom scenarios (home, away, sleep), Activate functions like pre-heating, Monitor room temperature, Open window detection

**Features:** macOS Compatibility

**In-app purchases:** none


### tekmarNet

[App page](https://appshunter.io/ios/app/tekmarnet/id1455265964)

This app provides remote access to HVAC systems, allowing users to monitor and adjust thermostat settings like temperature and humidity. It also displays boiler system data and can graph or export system information. Receive email or text notifications for errors and warnings.

**Highlights:** Remote thermostat control, View boiler system data, Temperature and humidity adjustment, System data graphing, Export data to CSV, Email/text error notifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zehnder Connect free?

Zehnder Connect is free to download, with no in-app purchases.

### Is tekmarNet free?

tekmarNet is free to download, with no in-app purchases.

### Do Zehnder Connect or tekmarNet have ads?

Neither Zehnder Connect nor tekmarNet shows ads.

### Which is updated more often, Zehnder Connect or tekmarNet?

Zehnder Connect ships an update every 4 months, and tekmarNet every 3 months. Most recently, Zehnder Connect was updated on November 2, 2026 and tekmarNet on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*